SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported) March 24, 2000

                                  ENZON, INC.

             (Exact name of registrant as specified in its charter)



                    Delaware                0-12957            22-237286
         (State or other jurisdiction     (Commission        (IRS Employer
             of incorporation)            File Number)       Identification)



                20 Kingsbridge Road, Piscataway, New Jersey       08854
                  (Address of principal executive offices)      (Zip Code)



        Registrant's telephone number, including area code (732) 980-4500


- --------------------------------------------------------------------------------
          (Former name or former address, if changed since last report)





Item 5. Other Events

     On March 24, 2000, Enzon,  Inc. issued a press release,  a copy of which is
attached as Exhibit 99.1 and incorporated by reference herein.

Item 7. Financial Statements, Pro Forma Financial Information and Exhibits.

     (c) Exhibit 99.1 - Press Release dated March 24, 2000.





                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


Dated: March 24, 2000


                                                  ENZON, INC.
                                                  ----------------------
                                                  (Registrant)

                                          By:     /S/KENNETH J. ZUERBLIS
                                                  ----------------------

                                                  Kenneth J. Zuerblis
                                                  Vice President, Finance
                                                  and Chief Financial Officer